prerving envelope address via X-Original-to

[Dominic Raferd]

On Wed, 14 Oct 2020 at 10:34, Andrey Lelikov <amavis at lelik.org> wrote:
>
> Good day.
>
> A newbie amavisd-new user here. I run a small mail server for myself &
> family. Recently I've changed from to a iredmail system and discovered
> postfix/amavisd setup. For a long time I have a set of filters that rely
> on the X-Envelope-to header, and suddenly all these filters stopped working.
>
> This question was apparently discussed here several times, yet I failed
> to find an up to date answer.
>
> So, firstly, BCC reveal is not the issue - this is a family setup and
> all users are in "trusted circle" - if the message is sent to two or
> more users via BCC it is explicitly OK for any user of this server to
> learn other BCC recipients.
>
> My perl knowledge is very limited, but as it was mentioned here, the
> X-Envelope-to could be added inside add_forwarding_header_edits_common sub .
>
> I'm using a debian system, and my understanding is that it is possible
> to add a hook to amavis/conf.d/something that would modify actions
> inside add_forwarding_header_edits_common without hacking original
> script in /usr/sbin ?
>
> Is this possible? The specific code would be very welcome.

The X-Original-To header is normally added by the postfix delivery
agent (local, smtp, virtual etc). Are you sure it isn't being stripped
by something bespoke in your system?